Natural monuments around Drumsillagh, a townland in County Fermanagh, present a landscape shaped by geological processes and rich biodiversity. The area features limestone gorges, extensive cave systems, and significant waterways like Lower Lough MacNean. These natural features provide varied terrain for exploration, showcasing ancient trees, waterfalls, and mountain views. Drumsillagh location offers opportunities to observe diverse flora and fauna within its protected natural landmarks.
Last updated: June 29, 2026
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Along the Beech Trail, you'll discover some of the oldest trees on the estate, including Oak and the sprawling limbs of this Horse Chestnut, forming a natural arch over the path.
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"continual slur on Irish caving" It's actually only a few hundred metres is accessible and it's total length is thought to be 2km. No where near the longest cave in Ireland. Consider a trip in only if well equipped with a good light and helmet. Alternatively/also consider visiting McKenzies back lounge just down the road. A much drier watering hole. ;)
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Stunning limestone caves which you can explore on a guided tour. Well worth a visit. There are 150 steps down to the caves so if you are wearing cleats please be aware, or change into a pair of trainers before you descend down into the natural wonder. There is also a cafe on site. For further details please see https://marblearchcaves.co.uk/
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Pollnagollum Cave (meaning Hole of the Dove) is the longest cave system in Ireland. The cave system is complex and fascinating and is fed by a tumbling waterfall that topples off a limestone cliff. Watch your stepping here as rocks can be unstable and slippery, and don't forget your camera for some awesome shots.
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Marble Arch caves are situated at the picturesque foothills of the Cuilcagh Mountain. They are the longest underground cave system in Northern Ireland (7.1 miles in total) and are said to be the most magnificent in Britain. The caves are regarded as a world-class natural attraction, they are situated in the Cuilcagh Lakelands which is the world's first UNESCO Global Geopark. The caves are only explorable by guided tours which run daily between 10am - 5pm. To secure a spot, visit https://marblearchcaves.co.uk/online-booking-guided-cave-tour/
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Clodagh Glen has a steep sided gorge that is lined by ancient ash trees that cling to the steep sides. The water sculpted river valley has a spectacular arch over the river which formed when the cave roof collapsed. The reserve is known for its limestone gorge, mystical caves and beautiful waterfalls. In the springtime the valley floor is carpeted by bluebells, wood anemones and wild garlic and in the summer silver-washed fritillaries are found besides the path. With a keen eye you may also spot an elusive pint martin and red squirrels!
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The Cuilcagh Mountain Park covers 6,000 acres on the north slopes of the Cuilcagh Mountain. The park was founded in 1998 and works to conserve the bogland and restore damaged peatland. At 665m the mountain is one of the highest points in Ireland. The Limestone rock was formed over 300 million years ago by ocean calcifying organisms when Ireland was covered by shallow tropical sea. With an interesting and varied flora and fauna alongside historic ancient ruins, there is plenty to explore in the park.
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Beyond the well-known spots, you can discover the dramatic Cliff Edge of Cuilcagh Mountain, offering expansive views and insights into ancient geological formations. Another fascinating site is the Pollnagollum Cave and Waterfall, known for its complex system and a tumbling waterfall.
Yes, the Ancient Chestnut Tree along the Beech Trail is a wonderful, family-friendly natural monument. Its sprawling limbs form a natural arch, creating a magical atmosphere that children often enjoy. The path leading to it is generally accessible for a pleasant family outing.
The Drumsillagh area is rich in diverse natural features, including ancient trees, impressive waterfalls, and intriguing cave systems. You'll encounter limestone gorges, such as those found at Clodagh Glen, and significant waterways like Lower Lough MacNean, which is part of the Marble Arch Caves Geopark.
Spring is particularly beautiful, especially at places like Cladagh Glen Waterfall, where the valley floor is carpeted with bluebells, wood anemones, and wild garlic. Summer offers pleasant weather for exploring and spotting wildlife like silver-washed fritillaries. Autumn brings vibrant colors to the forests, making it another picturesque time to visit.
Absolutely. The region offers a variety of outdoor activities. For hiking, you can explore easy trails like the Belmore Forest loop via Pollnagollum Cave or the Marble Arch Caves via Cladagh River. There are also cycling routes, such as sections of the Kingfisher Cycle Trail, and running trails around Lough Coole. You can find more details on these activities in the easy hikes around Drumsillagh guide, the cycling around Drumsillagh guide, and the running trails around Drumsillagh guide.
Clodagh Glen is notable for its steep-sided limestone gorge, ancient ash trees, and a spectacular natural arch formed by a collapsed cave roof. It's also a haven for wildlife, including elusive pine martens and red squirrels, and in spring, its valley floor bursts with bluebells and wild garlic. The glen features mystical caves and beautiful waterfalls, making it a truly picturesque setting.
Yes, there are several beautiful waterfalls. The Cascades Waterfall along the Cuilcagh Way is a multi-tiered delight, winding through a forest of lichen and ferns. Additionally, the Cladagh Glen Waterfall is a prominent feature within its namesake gorge, and the Pollnagollum Cave and Waterfall is fed by a dramatic tumbling cascade.
Cuilcagh Mountain, one of Ireland's highest points, is composed of limestone rock formed over 300 million years ago. This formation occurred from the remains of tiny sea creatures when Ireland was covered by a shallow tropical sea. The Cuilcagh Mountain Park actively works to conserve its bogland habitats and restore damaged peatland, preserving this ancient landscape.
Lower Lough MacNean, also known as Lough Nilly, is a significant ecological site. Its reedbeds, fen peats, wet grasslands, and wet woodlands provide a habitat for a wide array of mammals, insects, and birds. It's an integral part of the Marble Arch Caves Geopark and offers a 42-mile sculpture trail showcasing its rich human history and diverse wildlife.
Visitors frequently appreciate the stunning natural beauty and the sense of tranquility. Many highlight the unique geological formations, such as the limestone gorges and cave systems, and the vibrant flora, especially the bluebells and wild garlic in spring. The opportunity for wildlife observation and nature photography is also a big draw, along with the well-maintained trails for exploration.
Yes, the Cliff Edge of Cuilcagh Mountain offers far-reaching views across the landscape. This area provides excellent opportunities to take in the vastness of the region and appreciate the natural contours of the land.


Extend your search for the best caves by checking out these guides of the top ones around Drumsillagh: